Extjs4 store定义

Ext.define('Keer.ext.store.ExhibitionCategoryStore',{
    extend: 'Ext.data.Store',
    model: 'Keer.ext.model.ExhibitionCategoryModel',
    pageSize: 20,
    remoteSort: true,
    proxy: {
        type: 'ajax',
        actionMethods: {
            read: 'post'
        },
        url: 'exhibitionCategoryManage!search.action',
        remoteFilter:true,        
        reader: {
            type: 'json',
            root: 'data',
            totalProperty: 'totalCount',
            successProperty: 'success'
        }
    }
});